\begin{table}[ht]
\caption{Idiosyncratic Variances}
\label{tab:trans}
\centering
\begin{threeparttable}
\begin{tabular}{lccllccc}
\toprule
\multicolumn{3}{c}{Employment} & & \multicolumn{4}{c}{Schooling} \\ 
\cmidrule(r){1-3}\cmidrule(l){5-8}
Work Type & White Collar & Blue Collar & & Schooling Period & Science & Non-Science & 2-year \\ 
\midrule
In-school & 0.212 & 0.120 & & 1 & 0.431 & 0.519 & 0.609 \\ 
 & (0.013) & (0.003) & & & (0.041) & (0.033) & (0.047) \\ 
Out-of-school & 0.136 & 0.143 & & 2 & 0.364 & 0.322 & 0.495 \\ 
 & (0.003) & (0.001) & & & (0.036) & (0.021) & (0.037) \\ 
 & & & & 3  & 0.414 & 0.385 & 0.624 \\ 
 & & & &    & (0.045) & (0.024) & (0.037) \\ 
 & & & & 4  & 0.607   & 0.317   & \\ 
 & & & &    & (0.066) & (0.023) & \\ 
 & & & & 5+ & 0.403   & 0.472   & \\ 
 & & & &    & (0.036) & (0.026) & \\ 
\bottomrule
\end{tabular}
\footnotesize Notes: Bootstrap standard errors in parentheses. The period-3 variance in 2-year college is the same for all periods after period 3. 
\end{threeparttable}
\end{table}
